
.lab-body {
    display: table;
    margin: 0 auto;
}
.box_shadow {
    -webkit-box-shadow: 0px 2px 6px -1px #888888;
    -moz-box-shadow: 0px 2px 6px -1px #888888;
    box-shadow: 0px 2px 6px -1px #888888;
    -webkit-filter: 
    drop-shadow( 3px 3px 2px rgba(0,0,0,.7) );
          filter: 
    drop-shadow( 3px 3px 2px rgba(0,0,0,.7) );
}

.fab-btn {
    position: absolute;
    right: 10px;
    bottom: 10px;
}